Door handle safety lock



FIG. 1 is a front elevational view of a door handle safety lock, showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a rear perspective view thereof.

The broken lines depict portions of the door handle safety lock that form no part of the claimed design. 

CLAIM The ornamental design for a door handle safety lock, as shown and described. 